Notice the top comment compared belief in god specifically to flat earth theory, hence the structure of my response.
As to your hypothesis, I didn’t ask about brain activity, I asked about consciousness itself, the subjective experience. It’s still very much an open question.
I would imagine the FSM to be composed of the platonic ideal of gluten rather than physical gluten, though I’m not sure if that would be more irritating or less. I’d consult a GI and maybe a metaphysician.